Intel Core i7-6660U vs Intel Xeon E5-2648L v3

Comparative analysis of Intel Core i7-6660U and Intel Xeon E5-2648L v3 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), PassMark - Single thread mark, PassMark - CPU mark.

Intel Core i7-6660U

Intel Xeon E5-2648L v3

Differences

Reasons to consider the Intel Core i7-6660U

Around 36% higher clock speed: 3.40 GHz vs 2.50 GHz
Around 15% higher maximum core temperature: 100°C vs 87.025°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
5x lower typical power consumption: 15 Watt vs 75 Watt
Around 51% better performance in PassMark - Single thread mark: 1946 vs 1292

Specifications (specs)
Maximum frequency	3.40 GHz vs 2.50 GHz
Maximum core temperature	100°C vs 87.025°C
Manufacturing process technology	14 nm vs 22 nm
Thermal Design Power (TDP)	15 Watt vs 75 Watt
Benchmarks
PassMark - Single thread mark	1946 vs 1292

Reasons to consider the Intel Xeon E5-2648L v3

10 more cores, run more applications at once: 12 vs 2
20 more threads: 24 vs 4
24x more maximum memory size: 768 GB vs 32 GB
2.7x better performance in PassMark - CPU mark: 9847 vs 3628

Specifications (specs)
Number of cores	12 vs 2
Number of threads	24 vs 4
Maximum memory size	768 GB vs 32 GB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	9847 vs 3628

Compare benchmarks

CPU 1: Intel Core i7-6660U
CPU 2: Intel Xeon E5-2648L v3

PassMark - Single thread mark

CPU 1

CPU 2

1946

1292

PassMark - CPU mark

CPU 1

CPU 2

3628

9847

Name	Intel Core i7-6660U	Intel Xeon E5-2648L v3
Geekbench 4 - Single Core	3647
Geekbench 4 - Multi-Core	7130
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.455
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	44.681
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.204
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2.931
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.28
PassMark - Single thread mark	1946	1292
PassMark - CPU mark	3628	9847

Compare specifications (specs)

	Intel Core i7-6660U	Intel Xeon E5-2648L v3
Essentials
Architecture codename	Skylake	Haswell
Launch date	Q1'16	Q3'14
Place in performance rating	1680	1682
Processor Number	i7-6660U	E5-2648LV3
Series	6th Generation Intel® Core™ i7 Processors	Intel® Xeon® Processor E5 v3 Family
Status	Launched	Launched
Vertical segment	Mobile	Embedded
Performance
64 bit support
Base frequency	2.40 GHz	1.80 GHz
Bus Speed	4 GT/s OPI	9.6 GT/s QPI
Manufacturing process technology	14 nm	22 nm
Maximum core temperature	100°C	87.025°C
Maximum frequency	3.40 GHz	2.50 GHz
Number of cores	2	12
Number of threads	4	24
Number of QPI Links		2
VID voltage range		0.65V–1.30V
Memory
Max memory channels	2	4
Maximum memory bandwidth	34.1 GB/s	68 GB/s
Maximum memory size	32 GB	768 GB
Supported memory types	DDR4-2133, LPDDR3-1866, DDR3L-1600	DDR4 1600/1866/2133
Graphics
Device ID	0x1926
eDRAM	64 MB
Graphics base frequency	300 MHz
Graphics max dynamic frequency	1.05 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory	32 GB
Processor graphics	Intel® Iris® Graphics 540
Graphics interfaces
DisplayPort
DVI
eDP
HDMI
Number of displays supported	3
Graphics image quality
4K resolution support
Max resolution over DisplayPort	4096x2304@60Hz
Max resolution over eDP	4096x2304@60Hz
Max resolution over HDMI 1.4	4096x2304@24Hz
Graphics API support
DirectX	12
OpenGL	4.5
Compatibility
Configurable TDP-down	9.5 W
Low Halogen Options Available
Max number of CPUs in a configuration	1	2
Package Size	42x24x1.3	52.5mm x 45mm
Sockets supported	FCBGA1356	FCLGA2011-3
Thermal Design Power (TDP)	15 Watt	75 Watt
Peripherals
Max number of PCIe lanes	12	40
PCI Express revision	3.0	3.0
PCIe configurations	1x4, 2x2, 1x2+2x1 and 4x1	x4, x8, x16
Scalability		2S
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Memory Protection Extensions (Intel® MPX)
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® My WiFi technology
Intel® Smart Response technology
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Intel® Demand Based Switching
Physical Address Extensions (PAE)		46-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)